Determination of the degree of uniformity of bars for magnetic standards (1918)
National Bureau of Standards · leaf 7
centers is 2 cm. The displacement of the coilsalong the bar is read by means of a suitable scale mounted on theapparatus. The ballistic galvanometer is calibrated by means ofa mutual inductance, and its sensitivity and damping are ad-justed by means of the usual combination of series and… … Specimen
Magnetism · Measurements and use of instruments · Magnetic properties and materials A4100 Electricity and magnetism · Fields and charged particles
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